Home / 78,283,325.88-108,024,689.66-45,245,714.90

Finding the Fourth Proportional to 78,283,325.88, 108,024,689.66 and 45,245,714.90

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Solution

The fourth proportional to 78,283,325.88, 108,024,689.66 and 45,245,714.90 is: 62,435,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,283,325.88 : 108,024,689.66 = 45,245,714.90 : x
  2. Step 2: Convert to fraction form
    78,283,325.88/108,024,689.66 = 45,245,714.90/x
  3. Step 3: Cross multiply
    78,283,325.88x = 108,024,689.66 × 45,245,714.90
  4. Step 4: Simplify right side
    78,283,325.88x = 4,887,654,309,750,986
  5. Step 5: Solve for x
    x = 4,887,654,309,750,986/78,283,325.88
  6. Step 6: Final answer
    x = 62,435,445.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.